package com.hubu.list;

public class DoubleCircleTest {
    public static void main(String[] args) {
        DoubleCircleList<String> list=new DoubleCircleList<>(null);




        list.add("hello world");

        list.removeFirst();

        System.out.println(list.size());

        System.out.println(list.isEmpty());
    }
}
